Java Code Examples for com.github.mikephil.charting.charts.LineChart#setNoDataTextDescription()

The following examples show how to use com.github.mikephil.charting.charts.LineChart#setNoDataTextDescription() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: PerformanceLineChart.java From Stayfit with Apache License 2.0

5 votes

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_performance_linechart);

    mTvCount = (TextView) findViewById(R.id.tvValueCount);
    mSeekBarValues = (SeekBar) findViewById(R.id.seekbarValues);
    mTvCount.setText("500");

    mSeekBarValues.setProgress(500);
    
    mSeekBarValues.setOnSeekBarChangeListener(this);

    mChart = (LineChart) findViewById(R.id.chart1);
    mChart.setDrawGridBackground(false);

    // no description text
    mChart.setDescription("");
    mChart.setNoDataTextDescription("You need to provide data for the chart.");

    // enable touch gestures
    mChart.setTouchEnabled(true);

    // enable scaling and dragging
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);

    // if disabled, scaling can be done on x- and y-axis separately
    mChart.setPinchZoom(false);
          
    mChart.getAxisLeft().setDrawGridLines(false);
    mChart.getAxisRight().setEnabled(false);
    mChart.getXAxis().setDrawGridLines(true);
    mChart.getXAxis().setDrawAxisLine(false);

    // dont forget to refresh the drawing
    mChart.invalidate();
}

Example 2

Source File: ChartFragment.java From Liapp with Apache License 2.0

4 votes

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {

    view = inflater.inflate(R.layout.fragment_lastscanchart, container, false);

    LineChart cv_LastScan = (LineChart) view.findViewById(R.id.cv_LastScan);

    cv_LastScan.setOnChartGestureListener(new myChartGestureListener(cv_LastScan));

    XAxis xAxis = cv_LastScan.getXAxis();
    xAxis.setPosition(XAxis.XAxisPosition.BOTTOM);
    xAxis.setTextSize(10f);
    xAxis.setTextColor(getResources().getColor(R.color.colorGlucoseNow));
    xAxis.enableGridDashedLine(5f, 5f, 0f);
    xAxis.setDrawLimitLinesBehindData(true);

    YAxis yAxisLeft = cv_LastScan.getAxisLeft();
    YAxis yAxisRight = cv_LastScan.getAxisRight();

    yAxisRight.setEnabled(false);

    yAxisLeft.setTextSize(18f); // set the textsize
    yAxisLeft.setTextColor(getResources().getColor(R.color.colorGlucoseNow));
    yAxisLeft.setPosition(YAxis.YAxisLabelPosition.INSIDE_CHART);
    yAxisLeft.setStartAtZero(true);
    yAxisLeft.setYOffset(-6f);
    yAxisLeft.setAxisMinValue(0.0f);

    Legend legend = cv_LastScan.getLegend();
    legend.setEnabled(false);

    // no description text
    cv_LastScan.setDescription("");
    cv_LastScan.setNoDataText(getResources().getString(R.string.no_data));
    cv_LastScan.setNoDataTextDescription("");

    // enable touch gestures
    cv_LastScan.setTouchEnabled(true);

    // enable scaling and dragging
    cv_LastScan.setDragEnabled(true);
    cv_LastScan.setScaleEnabled(true);
    cv_LastScan.setDrawGridBackground(false);

    // if disabled, scaling can be done on x- and y-axis separately
    cv_LastScan.setPinchZoom(true);


    MyMarkerView mv = new MyMarkerView(view.getContext(), R.layout.custom_marker_view);

    // set the marker to the chart
    cv_LastScan.setMarkerView(mv);

    try {
        int sdk = android.os.Build.VERSION.SDK_INT;
        if (sdk < android.os.Build.VERSION_CODES.HONEYCOMB) {
            cv_LastScan.setHardwareAccelerationEnabled(false);

        } else {
           cv_LastScan.setHardwareAccelerationEnabled(true);
        }
    } catch (Exception e) {
    }

    refresh();

    return (view);
}

Example 3

Source File: LineChartActivityColored.java From Stayfit with Apache License 2.0

4 votes

private void setupChart(LineChart chart, LineData data, int color) {

        // no description text
        chart.setDescription("");
        chart.setNoDataTextDescription("You need to provide data for the chart.");
        
        // mChart.setDrawHorizontalGrid(false);
        //
        // enable / disable grid background
        chart.setDrawGridBackground(false);
//        chart.getRenderer().getGridPaint().setGridColor(Color.WHITE & 0x70FFFFFF);

        // enable touch gestures
        chart.setTouchEnabled(true);

        // enable scaling and dragging
        chart.setDragEnabled(true);
        chart.setScaleEnabled(true);

        // if disabled, scaling can be done on x- and y-axis separately
        chart.setPinchZoom(false);

        chart.setBackgroundColor(color);
        
        // set custom chart offsets (automatic offset calculation is hereby disabled)
        chart.setViewPortOffsets(10, 0, 10, 0);

        // add data
        chart.setData(data);

        // get the legend (only possible after setting data)
        Legend l = chart.getLegend();
        l.setEnabled(false);

        chart.getAxisLeft().setEnabled(false);
        chart.getAxisRight().setEnabled(false);

        chart.getXAxis().setEnabled(false);

        // animate calls invalidate()...
        chart.animateX(2500);
    }

Example 4

Source File: RealtimeLineChartActivity.java From Stayfit with Apache License 2.0

4 votes

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
            WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.activity_realtime_linechart);

    mChart = (LineChart) findViewById(R.id.chart1);
    mChart.setOnChartValueSelectedListener(this);

    // no description text
    mChart.setDescription("");
    mChart.setNoDataTextDescription("You need to provide data for the chart.");

    // enable touch gestures
    mChart.setTouchEnabled(true);

    // enable scaling and dragging
    mChart.setDragEnabled(true);
    mChart.setScaleEnabled(true);
    mChart.setDrawGridBackground(false);

    // if disabled, scaling can be done on x- and y-axis separately
    mChart.setPinchZoom(true);

    // set an alternative background color
    mChart.setBackgroundColor(Color.LTGRAY);

    LineData data = new LineData();
    data.setValueTextColor(Color.WHITE);

    // add empty data
    mChart.setData(data);

    Typeface tf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

    // get the legend (only possible after setting data)
    Legend l = mChart.getLegend();

    // modify the legend ...
    // l.setPosition(LegendPosition.LEFT_OF_CHART);
    l.setForm(LegendForm.LINE);
    l.setTypeface(tf);
    l.setTextColor(Color.WHITE);

    XAxis xl = mChart.getXAxis();
    xl.setTypeface(tf);
    xl.setTextColor(Color.WHITE);
    xl.setDrawGridLines(false);
    xl.setAvoidFirstLastClipping(true);
    xl.setSpaceBetweenLabels(5);
    xl.setEnabled(true);

    YAxis leftAxis = mChart.getAxisLeft();
    leftAxis.setTypeface(tf);
    leftAxis.setTextColor(Color.WHITE);
    leftAxis.setAxisMaxValue(100f);
    leftAxis.setAxisMinValue(0f);
    leftAxis.setDrawGridLines(true);

    YAxis rightAxis = mChart.getAxisRight();
    rightAxis.setEnabled(false);

}

Example 5

Source File: LineChartActivity2.java From Stayfit with Apache License 2.0

4 votes

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FULLSCREEN);
        setContentView(R.layout.activity_linechart);

        tvX = (TextView) findViewById(R.id.tvXMax);
        tvY = (TextView) findViewById(R.id.tvYMax);
        mSeekBarX = (SeekBar) findViewById(R.id.seekBar1);
        mSeekBarY = (SeekBar) findViewById(R.id.seekBar2);

        mSeekBarX.setProgress(45);
        mSeekBarY.setProgress(100);

        mSeekBarY.setOnSeekBarChangeListener(this);
        mSeekBarX.setOnSeekBarChangeListener(this);

        mChart = (LineChart) findViewById(R.id.chart1);
        mChart.setOnChartValueSelectedListener(this);
        
        // no description text
        mChart.setDescription("");
        mChart.setNoDataTextDescription("You need to provide data for the chart.");

        // enable touch gestures
        mChart.setTouchEnabled(true);
        
        mChart.setDragDecelerationFrictionCoef(0.9f);

        // enable scaling and dragging
        mChart.setDragEnabled(true);
        mChart.setScaleEnabled(true);
        mChart.setDrawGridBackground(false);
        mChart.setHighlightPerDragEnabled(true);

        // if disabled, scaling can be done on x- and y-axis separately
        mChart.setPinchZoom(true);

        // set an alternative background color
        mChart.setBackgroundColor(Color.LTGRAY);

        // add data
        setData(20, 30);

        mChart.animateX(2500);

        Typeface tf = Typeface.createFromAsset(getAssets(), "OpenSans-Regular.ttf");

        // get the legend (only possible after setting data)
        Legend l = mChart.getLegend();

        // modify the legend ...
        // l.setPosition(LegendPosition.LEFT_OF_CHART);
        l.setForm(LegendForm.LINE);
        l.setTypeface(tf);
        l.setTextSize(11f);
        l.setTextColor(Color.WHITE);
        l.setPosition(LegendPosition.BELOW_CHART_LEFT);
//        l.setYOffset(11f);

        XAxis xAxis = mChart.getXAxis();
        xAxis.setTypeface(tf);
        xAxis.setTextSize(12f);
        xAxis.setTextColor(Color.WHITE);
        xAxis.setDrawGridLines(false);
        xAxis.setDrawAxisLine(false);
        xAxis.setSpaceBetweenLabels(1);

        YAxis leftAxis = mChart.getAxisLeft();
        leftAxis.setTypeface(tf);
        leftAxis.setTextColor(ColorTemplate.getHoloBlue());
        leftAxis.setAxisMaxValue(200f);
        leftAxis.setAxisMinValue(0f);
        leftAxis.setDrawGridLines(true);
        
        YAxis rightAxis = mChart.getAxisRight();
        rightAxis.setTypeface(tf);
        rightAxis.setTextColor(Color.RED);
        rightAxis.setAxisMaxValue(900);
        rightAxis.setAxisMinValue(-200);
        rightAxis.setDrawGridLines(false);
        rightAxis.setDrawZeroLine(false);
    }

Example 6

Source File: ChartsActivity.java From CameraV with GNU General Public License v3.0

4 votes

private LineChart addChart (String label, LineData data)
{
	LineChart chart = new LineChart(this);
       //chart.setOnChartGestureListener(this);
       //chart.setOnChartValueSelectedListener(this);

	chart.getAxisLeft().setStartAtZero(false);
	
       // no description text
       chart.setDescription("");
       chart.setNoDataTextDescription("");

       // enable value highlighting
       chart.setHighlightEnabled(true);

       // enable touch gestures
       chart.setTouchEnabled(true);

       // enable scaling and dragging
       chart.setDragEnabled(true);
       chart.setScaleEnabled(true);
       // chart.setScaleXEnabled(true);
       // chart.setScaleYEnabled(true);

       // if disabled, scaling can be done on x- and y-axis separately
       chart.setPinchZoom(true);

       // set data
       chart.setData(data);        
      
       TextView tv = new TextView (this);
       tv.setText(label);        
       LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
               LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);     
       
       viewChartGroup.addView(tv,params);
       
       int dpHeight = 300;
      
       int height = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dpHeight, getResources().getDisplayMetrics());

       params = new LinearLayout.LayoutParams(
               LayoutParams.MATCH_PARENT, height);     
       
       int dpMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 3, getResources().getDisplayMetrics());
       params.setMargins(dpMargin,dpMargin,dpMargin,dpMargin);
       
       chart.setLayoutParams(params);              
       
       viewChartGroup.addView(chart,params);
       
       return chart;
}